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SPDX-License-Identifier: CC-BY-SA-4.0
copyrights:
- Copyright (C) 2021 embedded brains GmbH & Co. KG
enabled-by: true
links:
- role: interface-function
uid: ../if/bsp-poll-char
functional-type: function
rationale: null
references: []
requirement-type: functional
text: |
While the ${../if/bsp-poll-char:/name} pointer references a function, while
the kernel character input device used by the function has no character
enqueued, the function shall return minus one.
type: requirement
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